Valvimorpha
- Citations total:
- 2
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| original | Middle Proterozoic | China(Hopei) | Yan,Y. Preliminary research on microflora from Chuanlinggou Formation of changcheng system in Jixian County | 1985 | |
| details | Nd | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |